Horizontal Component of Magnetic Force, 1845. 



11 



TABLE XVIII. — Mean Values of the Variations of the Horizontal Component of Magnetic Force, 

 the whole Horizontal Component being Unity, for each Civil Week-Day and "Week of 1845. 



Civil 

 Day. 



Jan. 



Feb. 



March. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 





0-00 



0-00 



0-00 



0-00 



0-00 



0-00 



0-00 



0-00 



0-00 



0-00 



0-00 



0-00 



I 



4476 



4890 



4756 



5030 



4479 



[5555] 



5503 



5999 



4997 



5167 



5061 



6035 



2 



4831 



[4903] 



[5031] 



5306 



4827 



5629 



5638 



5296 



4423 



5426 



[5548] 



6048 



3 



5184 



5141 



5158 



5114 



4882 



5471 



5607 



[5364] 



4876 



5194 



5456 



6497 



4 



5307 



5096 



5352 



5025 



[4927] 



5792 



5897 



4980 



4759 



5405 



5407 



3591 



5 



[5368] 



5193 



5326 



5034 



5134 



5593 



5880 



5107 



5118 



[5492] 



5365 



5053 



6 



5573 



4385 



5327 



[5144] 



5083 



5748 



[5701] 



5120 



5005 



5610 



5828 



5412 



7 



5645 



4984 



5523 



5249 



5155 



5809 



5824 



5383 



[5028] 



5618 



5404 



[5359] 



8 



5669 



4987 



5279 



5067 



5429 



[5772] 



5677 



5103 



4739 



5701 



5782 



5743 



9 



4095 



[4938] 



[5248] 



5373 



5468 



5699 



5320 



5300 



5127 



5389 



[5841] 



6160 



10 



3605 



5005 



5030 



5433 



5436 



6199 



5477 



[5424] 



5422 



4445 



5996 



6278 



11 



4970 



5086 



5005 



5260 



[5520] 



5586 



5438 



5352 



5372 



5193 



6023 



6334 



12 



[4686] 



5179 



5324 



5506 



5610 



5100 



5768 



5341 



5347 



[5330] 



6014 



5996 



13 



4812 



5366 



5162 



[4625] 



5625 



4999 



[5682] 



6063 



5268 



5695 



6187 



5106 



14 



5309 



5314 



5082 



2008 



5552 



5449 



5790 



5886 



[5340] 



5663 



6238 



[5707] 



15 



5327 



5317 



4957 



4714 



5460 



[5322] 



5880 



5685 



5218 



5597 



6311 



5564 



16 



5166 



[5367] 



[4981] 



4829 



5432 



5586 



5739 



5390 



5501 



5256 



[5841] 



5670 



17 



5383 



5383 



4833 



4784 



5449 



5456 



5771 



[5467] 



5334 



5646 



5460 



5575 



18 



5230 



5365 



5113 



5124 



[5320] 



5340 



5566 



4932 



4763 



5737 



5309 



5600 



19 



[4971] 



5456 



4742 



5019 



4789 



5744 



5853 



5390 



4761 



[5316] 



5544 



6065 



20 



3602 



5904 



4803 



[4831] 



5548 



5853 



[5669] 



5517 



4719 



5762 



5897 



6289 



21 



5198 



4718 



4847 



4332 



5244 



5663 



5373 



5375 



[5243] 



4585 



5912 



[6209] 



22 



5247 



4663 



4803 



4567 



5404 



[5774] 



5502 



5806 



5356 



4908 



5998 



6486 



23 



5019 



[4762] 



[4707] 



5158 



5569 



5719 



5947 



5516 



5632 



5412 



[6165] 



6506 



24 



4637 



4312 



4719 



5407 



5029 



5760 



5869 



[5543] 



6226 



5396 



5991 



6306 



25 



4883 



4479 



4186 



4960 



[5520] 



5905 



4326 



5670 



4704 



5144 



6558 



6481 



26 



[4955] 



4498 



4886 



5054 



5470 



5401 



5109 



5947 



4556 



[5566] 



6632 



6525 



27 



5039 



4886 



4416 



[4866] 



5715 



5986 



[5221] 



4942 



4700 



5697 



6579 



6213 



28 



5033 



4708 



5004 



4305 



5933 



5705 



5222 



5403 



[4869] 



6052 



5810 



[6163] 



29 



5121 





4917 



4452 



5902 



[5691] 



5201 



5842 



4904 



5695 



5498 



6244 



30 



4542 





[4971] 



5022 



5638 



5912 



5601 



4246 



5183 



6062 



[6068] 



5897 



31 



4557 





5156 





4900 





5683 



[4964] 





5940 





5617 



TABLE XIX. — Mean Variations of the Horizontal Component of Magnetic Force, after eliminat- 

 ing the Secular Change, with reference to the Moon's Age, Declination, and Distance from the 

 Earth, for 1845. 





Variations 





Variations 



After 



Variations 



After 



Variations 



Before 



Variations 



Before 



Variations 



Moon's 



of Hori- 



Moon's 



of Hori- 



Moon 



of Hori- 



Moon 



of Hori- 



and 



of Hori- 



and 



of Hori- 



Age. 



zontal 



Age. 



zontal 



farthest 



zontal 



farthest 



zontal 



after 



zontal 



after 



zontal 





Component. 





Component. 



North. 



Component. 



North. 



Component. 



Perigee. 



Component. 



Apogee. 



Component. 



Day. 



0-00 



Day. 



0-00 



Day. 



0-00 



Day. 



O'OO 



Day. 



O-KO 



Day. 



0-00 



15 



0241 







0311 







0441 



14 



0497 



7 



0209 



7 



0377 



16 



0256 



1 



0239 



1 



0381 



15 



0503 



6 



0321 



6 



0186 



17 



0231 



2 



0111 



2 



0443 



16 



0510 



5 



0241 



5 



0416 



18 



0164 



3 



0265 



3 



0209 



17 



0329 



4 



0315 



4 



0393 



19 



0200 



4 



0370 



4 



0312 



18 



0000 



3 



0177 



3 



0305 



20 



0214 



5 



0135 



5 



0249 



19 



0310 



2 



0289 



2 



0437 



21 



0118 



6 



0291 



6 



0227 



20 



0339 



1 



0423 



1 



0344 



22 



0230 



7 



0246 



7 



0150 



21 



0394 



P 



0482 



A 



0391 



23 



0336 



8 



0000 



8 



0213 



22 



0426 



1 



0424 



1 



0230 



24 



0217 



9 



0260 



9 



0286 



23 



0370 



2 



0167 



2 



0095 



25 



0199 



10 



0399 



10 



0258 



24 



0429 



3 



0000 



3 



0253 



26 



0431 



11 



0367 



11 



0391 



25 



0496 



4 



0227 



4 



0370 



27 



0370 



12 



0294 



12 



0332 



26 



0486 



5 



0358 



5 



0171 



28 



0409 



13 



0346 



13 



0331 



27 



0464 



6 



0311 



6 



0255 



29 



0372 



14 



0350 











7 



0234 



7 



0294 



